Valvole per amplificatori
Electro Harmonix 5U4GB Is a great choice for the Mesa Boogie Dual Rectifier, Triple Rectifier amps that use the 5U4GB valves. Electro Harmonix are one of the few companies manufacturing the 5U4 rectifier valve making It another popular valve for the re-brand companies. Buy It In Its original form and markings at a fraction of the cost.
The sound is well balanced with tight bass response and great mids. As with many of the Eastern European tubes, mechanical noise is an issue if used in high power combo style amps. In a stereo system or remote head, these should provide a good tonal balance and service life."
The Electro Harmonix 12AX7 provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types. Unique spiral filament eliminates filament to cathode induced hum common on amps that use AC on the filaments.
Sovtek 12AX7WA is world-renowned for its smooth, round tone. This ultra low microphonic tube is used by Fenderﾮ, Ampeg, Carvin, and Hartke, among others. Standard Tested: Tested for all faults and crackles etc but balanced triodes are not guranteed Premium Tested: As above but specially selected for V1 or Phase Splitter positions. These have balanced...
Electro-Harmonix EL34EH is extremely musical and predictable with a sound that is rich, smooth, and highly detailed without being edgy. It is the perfect EL34 for vintage equipment and a sure way to improve the preformance of modern equipment.
Modeled after the vintage RCA 6L6GC "blackplate," the 6L6EH features large plate dimensions and improved grid structure for increased power handling capabilities. Also features mica spacers with metal springs to eliminate tube rattle and microphonics. The 6L6EH offers tone and performance superior to any other 6L6 or KT66 type.
The Ruby EL34BSTR's are a new high gain tube developed by Ruby and manufactured by Shuguang. They have a gold plated grid and extra thick glass. Perfect for modern gain, these have unique a wall of sound break up, very articulate. Ruby Tubes are matched both by plate current and transconductance and come with a 6 month warranty.
The Ruby 6L6GC is from the Shuguang factory. It's thicker glass envelope and sturdy construction is designed to work in the most demanding applications. It it packed with lots of punch and a sweet tone, very musical. Philips STR copy. This Ruby tube is a re-labeled Sino, Chinese and Shuguang - it's all the same.